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BOSTON MARATHON 2023

Megan Tschirch

Bib: 25968•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:28
Rank: #26152
Start → 5K
35:28 | 11:25/mi
10K· 6.21 mi
1:11:00
Rank: #26047 (+105)
5K → 10K
35:32 | 11:26/mi
15K· 9.32 mi
1:46:49
Rank: #25950 (+97)
10K → 15K
35:49 | 11:32/mi
20K· 12.43 mi
2:22:58
Rank: #25792 (+158)
15K → 20K
36:09 | 11:38/mi
Half· 13.11 mi
2:30:14
Rank: #25743 (+49)
20K → Half
7:16 | 10:39/mi
25K· 15.53 mi
2:58:58
Rank: #25616 (+127)
Half → 25K
28:44 | 11:51/mi
30K· 18.64 mi
3:36:20
Rank: #25435 (+181)
25K → 30K
37:22 | 12:02/mi
20M
3:51:05
Rank: #25285 (+150)
30K → 20M
14:45 | 10:51/mi
21M
4:02:57
Rank: #25166 (+119)
20M → 21M
11:52 | 11:52/mi
35K· 21.75 mi
4:11:05
Rank: #25118 (+48)
21M → 35K
8:08 | 10:52/mi
23M
4:26:09
Rank: #25074 (+44)
35K → 23M
15:04 | 12:02/mi
24M
4:38:03
Rank: #25068 (+6)
23M → 24M
11:54 | 11:54/mi
40K· 24.85 mi
4:49:09
Rank: #25078 (-10)
24M → 40K
11:06 | 12:59/mi
25.2M
4:53:44
Rank: #25069 (+9)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
5:05:25
Rank: #25062 (+7)
25.2M → Finish
11:41 | 11:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:14
Pace11:28 /mi
2nd Half
Distance13.11 mi
Time2:35:11
Pace11:50 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4135:2811:2535:28
11:25
-
10K
6.21 mi12:32:131:11:0011:2635:32
11:26
+0:01
15K
9.32 mi13:08:021:46:4911:2835:49
11:32
+0:06
20K
12.43 mi13:44:112:22:5811:3036:09
11:38
+0:06
Half
13.11 mi13:51:272:30:1411:287:16
10:39
-0:59
25K
15.53 mi14:20:112:58:5811:3128:44
11:51
+1:12
30K
18.64 mi14:57:333:36:2011:3637:22
12:02
+0:11
20M
20.00 mi15:12:183:51:0511:3314:45
10:51
-1:11
21M
21.00 mi15:24:104:02:5711:3411:52
11:52
+1:01
35K
21.75 mi15:32:184:11:0511:338:08
10:52
-1:00
23M
23.00 mi15:47:224:26:0911:3415:04
12:02
+1:10
24M
24.00 mi15:59:164:38:0311:3511:54
11:54
-0:08
40K
24.85 mi16:10:224:49:0911:3811:06
12:59
+1:05
25.2M
25.20 mi16:14:574:53:4411:394:35
13:17
+0:18
Finish
26.22 mi16:26:385:05:2511:3911:41
11:28
-1:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:39 /mi

Average Pace

11:39 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:09

10% of race

Time at Steady Pace

3:27:09

68% of race

Time at Slower Pace

1:08:07

22% of race

Average Pace: 11:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:4135:2811:2535:28
11:25
#26152
10K
6.21 mi12:32:131:11:0011:2635:32
11:26
#26047
15K
9.32 mi13:08:021:46:4911:2835:49
11:32
#25950
20K
12.43 mi13:44:112:22:5811:3036:09
11:38
#25792
Half
13.11 mi13:51:272:30:1411:287:16
10:39
#25743
25K
15.53 mi14:20:112:58:5811:3128:44
11:51
#25616
30K
18.64 mi14:57:333:36:2011:3637:22
12:02
#25435
20M
20.00 mi15:12:183:51:0511:3314:45
10:51
#25285
21M
21.00 mi15:24:104:02:5711:3411:52
11:52
#25166
35K
21.75 mi15:32:184:11:0511:338:08
10:52
#25118
23M
23.00 mi15:47:224:26:0911:3415:04
12:02
#25074
24M
24.00 mi15:59:164:38:0311:3511:54
11:54
#25068
40K
24.85 mi16:10:224:49:0911:3811:06
12:59
#25078
25.2M
25.20 mi16:14:574:53:4411:394:35
13:17
#25069
Finish
26.22 mi16:26:385:05:2511:3911:41
11:28
#25062
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26152111441114425731(Top 97%)10882(Top 95%)10882(Top 223%)
10K6.21 mi3.10 mi26047+10511071+7311071+7325910(Top 97%)10985(Top 96%)10985(Top 225%)
15K9.32 mi3.11 mi25950+9711013+5811013+5825731(Top 97%)10882(Top 95%)10882(Top 223%)
20K12.43 mi3.11 mi25792+15810923+9010923+9025401(Top 95%)10717(Top 94%)10717(Top 219%)
Half13.11 mi0.68 mi25743+4910899+2410899+2424487(Top 92%)10207(Top 89%)10207(Top 209%)
25K15.53 mi2.42 mi25616+12710821+7810821+7825034(Top 94%)10532(Top 92%)10532(Top 216%)
30K18.64 mi3.11 mi25435+18110742+7910742+7924530(Top 92%)10302(Top 90%)10302(Top 211%)
20M20.00 mi1.36 mi25285+15010655+8710655+8722444(Top 84%)9225(Top 81%)9225(Top 189%)
21M21.00 mi1.00 mi25166+11910598+5710598+5722540(Top 85%)9307(Top 81%)9307(Top 191%)
35K21.75 mi0.75 mi25118+4810577+2110577+2123098(Top 87%)9652(Top 84%)9652(Top 198%)
23M23.00 mi1.25 mi25074+4410564+1310564+1324068(Top 90%)10170(Top 89%)10170(Top 208%)
24M24.00 mi1.00 mi25068+610563+110563+124403(Top 92%)10380(Top 91%)10380(Top 213%)
40K24.85 mi0.85 mi25078-1010576-1310576-1324931(Top 94%)10642(Top 93%)10642(Top 218%)
25.2M25.20 mi0.35 mi25069+910573+310573+324324(Top 91%)10345(Top 91%)10345(Top 212%)
Finish26.22 mi1.02 mi25062+710574-110574-124645(Top 93%)10480(Top 92%)10480(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25731

Females

10882

F18-39

10882

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25910

Females

10985

F18-39

10985

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25731

Females

10882

F18-39

10882

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25401

Females

10717

F18-39

10717

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24487

Females

10207

F18-39

10207

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25034

Females

10532

F18-39

10532

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24530

Females

10302

F18-39

10302

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22444

Females

9225

F18-39

9225

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22540

Females

9307

F18-39

9307

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23098

Females

9652

F18-39

9652

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24068

Females

10170

F18-39

10170

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24403

Females

10380

F18-39

10380

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24931

Females

10642

F18-39

10642

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24324

Females

10345

F18-39

10345

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24645

Females

10480

F18-39

10480

Passing Analysis

Category:
Athletes Passed
1265
Passed By
175
Net Change
+1090
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26152
5K → 10K14944+105#26152#26047
10K → 15K12225+97#26047#25950
15K → 20K1668+158#25950#25792
20K → Half501+49#25792#25743
Half → 25K13710+127#25743#25616
25K → 30K1898+181#25616#25435
30K → 20M1511+150#25435#25285
20M → 21M1190+119#25285#25166
21M → 35K491+48#25166#25118
35K → 23M5915+44#25118#25074
23M → 24M2317+6#25074#25068
24M → 40K1424-10#25068#25078
40K → 25.2M145+9#25078#25069
25.2M → Finish2316+7#25069#25062
TOTALS1265175+1090
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing